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Infineon Technologies CY8C21534-12PVXE
- Part No.:
- CY8C21534-12PVXE
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 28-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
CY8C21534-12PVXE.pdf
- Description:
- IC MCU 8BIT 8KB FLASH 28SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,724
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Product details
Overview
CY8C21534-12PVXE from Infineon Technologies (formerly Cypress) is an AEC-Q100 qualified automotive-grade PSoC® programmable system-on-chip featuring an 8-bit M8C Harvard-architecture CPU running up to 12 MHz, 8 KB flash, 512 bytes SRAM, and four configurable analog + four digital PSoC blocks. It operates from 4.75 V to 5.25 V across –40 °C to +125 °C and supports capacitive sensing, PWM, UART, SPI, I²C, and 10-bit ADC in automotive body control modules.
For engineers reviewing the CY8C21534-12PVXE datasheet, CY8C21534-12PVXE pinout, CY8C21534-12PVXE application, or CY8C21534-12PVXE equivalent, key selection criteria include AEC-Q100 qualification, on-chip analog/digital reconfigurability, ISSP support for field updates, GPIO drive strength (25 mA sink), and integrated 1.3 V precision voltage reference for sensor signal conditioning.
Technical Context
The device implements a fixed-function M8C core with Harvard architecture, supporting up to 12 MHz operation and 2 MIPS throughput. Its digital system uses four 8-bit PSoC blocks combinable into 8–32-bit peripherals including timers, PWMs with dead-band, UART, SPI, and CRC generators - all routable to any GPIO via global digital interconnect.
The analog system integrates four Type E blocks enabling dual 10-bit ADCs, two comparators with DAC or 1.3 V reference, and a flexible analog mux bus connecting all GPIOs to ADC/comparator inputs. Capacitive sensing is supported via hardware-controlled precharge logic on Port 0 pins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | M8C 8-bit Harvard architecture, 12 MHz max clock, 2 MIPS throughput for deterministic real-time control |
| Memory | 8 KB flash (in-system serial programmable), 512 bytes SRAM, EEPROM emulation in flash for nonvolatile parameter storage |
| Analog Blocks | Four Type E analog blocks: dual 10-bit SAR ADC, two comparators with 1.3 V or 8-bit DAC reference |
| Digital Blocks | Four 8-bit digital blocks configurable as 8–32-bit PWM, timer, counter, UART, SPI, or CRC generator |
| GPIO | 24 pins with 25 mA sink / 10 mA source, analog input capability, configurable drive modes, and interrupt per pin |
| Operating Range | 4.75 V to 5.25 V supply, –40 °C to +125 °C ambient, AEC-Q100 Grade 1 qualified for automotive under-hood use |
| Clocks | Internal 24 MHz IMO, low-power ILO for sleep/watchdog, external oscillator support up to 24 MHz |
Pinout & Package
28-pin SSOP (Shrink Small Outline Package), 300 mil width, standard JEDEC MO-153AC footprint with 0.65 mm pitch. Pinout validated per Document Number 38-12038 Rev. *M, Page 9 (28-pin Part Pinout).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Power supply input | Primary 4.75–5.25 V supply rail for core, analog, and digital systems |
| VSS | Ground reference | Common return path for all internal circuits and I/O drivers |
| P0[0]–P0[7] | General-purpose I/O | Port 0 pins support analog mux precharge for capacitive touch sensing and ADC input routing |
| P1[0]–P1[7] | General-purpose I/O | Port 1 pins configurable as digital peripherals (UART TX/RX, SPI SCLK/MOSI/MISO, I²C SDA/SCL) |
| P2[0]–P2[7] | General-purpose I/O | Port 2 pins support high-drive PWM outputs and comparator inputs with internal 1.3 V reference |
| XRES | External reset input | Active-low asynchronous reset pin with internal pull-up; debounced by internal circuitry |
| XTAL1/XTAL2 | Crystal oscillator interface | Differential input for optional external crystal up to 24 MHz; bypassed when using internal IMO |
Key Features
| Feature | Design Value |
|---|---|
| Configurable analog/digital blocks | Four analog + four digital PSoC blocks enable custom peripheral synthesis (e.g., multi-channel capacitive sense engine or synchronized PWM+ADC capture) without external components |
| In-system serial programming (ISSP) | Field firmware updates via two-wire interface using only VDD, VSS, SCLK, and SDATA pins - no JTAG header required |
| Integrated 1.3 V voltage reference | Stable, temperature-compensated reference for ADC conversion and comparator thresholds - eliminates need for external precision reference IC |
| Automotive qualification | AEC-Q100 Grade 1 certification ensures reliability in harsh environments (e.g., door modules, lighting controllers, HVAC actuators) |
| Flexible GPIO configuration | Each pin supports strong drive, open-drain, pull-up/down, high-Z, and analog input - simplifies board-level signal routing and reduces external biasing components |
Applications
| Body Control Module | LED Lighting Driver |
|---|---|
Use Scenario: Centralized control of power windows, door locks, mirrors, and interior lighting in modern vehicles. IC Role / Device Role / Timing Role: System-on-chip controller managing discrete I/O, PWM dimming, LIN/I²C communication, and fault monitoring. Use Value: Reduces BOM count by integrating ADC (for current sensing), comparators (for overvoltage detection), and 24-channel GPIO - eliminating separate supervisor and driver ICs. | Use Scenario: Adaptive headlamp and DRL control with thermal derating and PWM dimming in automotive front lighting. IC Role / Device Role / Timing Role: Real-time LED current regulation via closed-loop feedback using integrated 10-bit ADC and high-resolution PWM with dead-band. Use Value: Enables precise 0–100% brightness control with <±1% current accuracy across temperature, leveraging on-chip 1.3 V reference and analog mux for sensor multiplexing. |
| Capacitive Touch Interface | Engine Bay Sensor Hub |
Use Scenario: Touch-sensitive dashboard controls and center console interfaces meeting automotive EMC and moisture resistance requirements. IC Role / Device Role / Timing Role: Dedicated capacitive sensing engine using hardware-accelerated precharge and correlation-based noise rejection. Use Value: Achieves >60 dB noise immunity at 125 °C using Port 0's analog mux and dedicated CT block timing - no external RC networks or shield drivers needed. | Use Scenario: Consolidated monitoring of coolant temperature, oil pressure, and intake air sensors near engine block. IC Role / Device Role / Timing Role: Signal conditioner and local decision node converting analog sensor outputs to digital status flags or I²C packets. Use Value: Supports simultaneous sampling of 8 thermistor/RTD inputs via analog mux and 10-bit ADC, with LVD-triggered fault reporting before brownout occurs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV320AIC3104IRHBR | Dedicated audio codec with stereo ADC/DAC; no MCU core or programmable logic | Limited to audio signal chain; lacks GPIO, PWM, or sensor interface capability | Select only for pure audio front-end roles - not a functional replacement for system control |
| STM32F072CBT6 | Cortex-M0 core, 48 MHz, 128 KB flash, no integrated analog mux or capacitive sensing hardware | Requires external components for touch sensing or precision analog measurement | Choose when higher CPU performance and USB connectivity are prioritized over analog integration and automotive qualification |
Compared with TLV320AIC3104IRHBR and STM32F072CBT6, CY8C21534-12PVXE uniquely delivers AEC-Q100-certified reconfigurable analog/digital logic in one die - enabling single-chip capacitive sensing, motor control, and communication without external supervisors or signal conditioners.
Availability
CY8C21534-12PVXE is available at Aetrix Electronics and suitable for automotive body electronics, LED lighting control, capacitive touch interfaces, and engine bay sensor hubs requiring stable component supply across extended temperature and long product lifecycles.
Supply support for CY8C21534-12PVXE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a global semiconductor leader headquartered in Munich, Germany, specializing in power management, automotive microcontrollers, and security solutions.
This device belongs to the PSoC® 1 family - designed specifically for cost-sensitive, mixed-signal automotive applications where analog configurability, AEC-Q100 compliance, and field-upgradable firmware are essential.
FAQ
Is CY8C21534-12PVXE pin-compatible with CY8C21334-12PVXE?
Yes - both devices share identical 28-pin SSOP packaging, pin mapping, and electrical characteristics per Document 38-12038 Rev. *M. The primary difference is memory size: CY8C21534 offers 8 KB flash vs. 4 KB in CY8C21334. Firmware compiled for CY8C21334 will run on CY8C21534 without modification, but not vice versa due to code size constraints.
Does CY8C21534-12PVXE support capacitive sensing without external components?
Yes - it integrates hardware-accelerated capacitive sensing using Port 0's analog mux with continuous precharge control, CT-type E blocks, and correlation-based noise rejection. No external resistors, op-amps, or dedicated touch controller ICs are required for basic proximity or button detection up to 125 °C.
What development tools are required to program CY8C21534-12PVXE?
PSoC Designer™ v5.4 or later is mandatory - the legacy IDE provides schematic-based component configuration, automatic code generation, and ISSP programming support. A MiniProg1 or MiniProg3 programmer is required for firmware download; no JTAG debugger is needed as full-speed ICE is built-in via the SWD interface.
Can the internal 1.3 V reference be used as an ADC input reference?
No - the 1.3 V reference is internal-only and feeds comparators and DACs. For ADC reference, CY8C21534-12PVXE supports VDD, external VREF input, or internal 2.5 V bandgap reference (selected via register). The 1.3 V reference cannot be routed to the ADC reference input pin.
CY8C21534-12PVXE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 28-SSOP (0.209", 5.30mm Width)
- Series:
- PSOC™1 CY8C21xxx
- Packaging:
- Tube
- Product Status:
- Obsolete
- Programmable:
- Verified
- Core Processor:
- M8C
- Core Size:
- 8-Bit
- Speed:
- 12MHz
- Connectivity:
- I2C, SPI, UART/USART
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 24
- Program Memory Size:
- 8KB (8K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 512 x 8
- Voltage - Supply (Vcc/Vdd):
- 2.4V ~ 5.25V
- Data Converters:
- A/D 28x8b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C21534-12PVXE FAQ
1.How can I place an order for CY8C21534-12PVXE through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C21534-12PVXE on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY8C21534-12PVXE reliable?
The price and inventory of CY8C21534-12PVXE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C21534-12PVXE is usually 5 days.
3.What payment methods are accepted for CY8C21534-12PVXE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C21534-12PVXE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C21534-12PVXE?
CY8C21534-12PVXE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C21534-12PVXE order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY8C21534-12PVXE?
For technical support, including CY8C21534-12PVXE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C21534-12PVXE requirements.
6.How does Aetrix verify that CY8C21534-12PVXE is sourced from the original manufacturer or authorized distributors?
All CY8C21534-12PVXE products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY8C21534-12PVXE meets industry standards.
7.What is the process for return or replacement of CY8C21534-12PVXE?
All CY8C21534-12PVXE units undergo pre-shipment inspection (PSI). If there is an issue with CY8C21534-12PVXE, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY8C21534-12PVXE part is unused and in its original packaging.
Return procedure for CY8C21534-12PVXE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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